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Add 21/42 and 2/75

21/42 + 2/75 is 79/150.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 75 is 1050
  2. For the 1st fraction, since 42 × 25 = 1050,
    21/42 = 21 × 25/42 × 25 = 525/1050
  3. Likewise, for the 2nd fraction, since 75 × 14 = 1050,
    2/75 = 2 × 14/75 × 14 = 28/1050
  4. Add the two fractions:
    525/1050 + 28/1050 = 525 + 28/1050 = 553/1050
  5. After reducing the fraction, the answer is 79/150

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